English 5-3 (Spelling 5: Words Plus Me)

any particular extent of space or surface; a georgraphical region

a quadrilateral plane figure having two parallel and two nonparallel sides

having all the sides equal

a quadrilateral having both pairs of opposite sides parallel to each other

the result of division; the number of times one quantity is contained in another

comparative relation between things or magnitudes as to size, quantity, number, etc.; ratio

vertical or upright; meeting a given line or surface at right angles

a straight line extending from the center of a circle or sphere to the circumference or surface

a figure, especially a closed plane figure, having three or more, usually straight, sides

coinciding at all points when superimposed